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Modify os_cond_reltimedwait to support long time wait (#461)

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Modify the argument of os_cond_reltimedwait to uint64 type to support long time wait, and handle possible integer overflow.
This commit is contained in:
Wenyong Huang
2020-12-07 17:37:53 +08:00
committed by GitHub
parent a84d51271c
commit 388530c738
16 changed files with 121 additions and 58 deletions
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16
core/shared/utils/runtime_timer.c
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@ -396,7 +396,6 @@ handle_expired_timers(timer_ctx_t ctx, app_timer_t *expired)
if (t->is_periodic) {
/* if it is repeating, then reschedule it; */
reschedule_timer(ctx, t);
}
else {
/* else move it to idle list */
@ -423,10 +422,10 @@ get_expiry_ms(timer_ctx_t ctx)
return ms_to_next_expiry;
}
int
uint32
check_app_timers(timer_ctx_t ctx)
{
app_timer_t *t, *expired = NULL;
app_timer_t *t, *expired = NULL, *expired_end = NULL;
uint64 now = bh_get_tick_ms();
os_mutex_lock(&ctx->mutex);
@ -436,8 +435,15 @@ check_app_timers(timer_ctx_t ctx)
if (now >= t->expiry) {
ctx->app_timers = t->next;
t->next = expired;
expired = t;
/* append t to the end of expired list */
t->next = NULL;
if (!expired_end) {
expired = expired_end = t;
}
else {
expired_end->next = t;
expired_end = t;
}
t = ctx->app_timers;
}